NOTICE ADVISORY TO GALILEO USERS (NAGU) 2020018 DATE GENERATED (UTC): 2020-11-11 16:45 NAGU TYPE: USABLE NAGU NUMBER: 2020018 NAGU SUBJECT: USABLE AS FROM 2020-11-11 NAGU REFERENCED TO: 2020017 START DATE EVENT (UTC): 2020-11-11 08:20 END DATE EVENT (UTC): N/A SATELLITE AFFECTED: GSAT0101 SPACE VEHICLE ID: 11 SIGNAL(S) AFFECTED: ALL EVENT DESCRIPTION: GALILEO SATELLITE GSAT0101 (ALL SIGNALS) IS USABLE SINCE/AS OF 2020-11-11 BEGINNING 08:20 UTC. PAYLOAD ON RAFS CLOCK. GALILEO SATELLITE GSAT0101 (ALL SIGNALS) WAS UNAVAILABLE FROM 2020-11-09 BEGINNING 06:18 UTC.